package com.fruit.interceptor;

import java.net.URLEncoder;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

import com.fruit.common.CookieUtil;

import lombok.extern.slf4j.Slf4j;

/**
 * 微信登录拦截器
 * 
 * @author Administrator
 * @version 2018.02.02 12:40
 */
@Slf4j
public class WeChaOthertSecurityInterceptor extends HandlerInterceptorAdapter {
	@Value("${h5_domain}")
	private String h5Domain;
	@Value("${domain}")
	private String domain;
	@Value("${top_domain}")
	private String topDomain;
	@Override
	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
			throws Exception {
		log.info("登录拦截处理-----开始");
		response.setContentType("text/html;charset=UTF-8");
		String ua = ((HttpServletRequest) request).getHeader("user-agent");
		if (StringUtils.isEmpty(ua)) {
			return false;
		}
		String requestType = request.getHeader("X-Requested-With");
		String forward = request.getParameter("forward");
		String sourceChannel = request.getParameter("sourceChannel");
		String urlDomain=null;
		String goUrl = null;
		if("0".equals(sourceChannel)){
			urlDomain=domain;
		}else {
			urlDomain=h5Domain;
		}
		
		if(StringUtils.isEmpty(forward)){
			goUrl = urlDomain+"/index";
		}else{
			if(forward.startsWith("http://") || forward.startsWith("https://") ){
				goUrl = forward;
			}else{
				goUrl =  urlDomain+forward;
			}
		}
		log.info("参数：forward={},sourceChannel={},urlDomain={}",forward,sourceChannel,urlDomain);
		String contextPath = request.getContextPath();
		String requestMapping=request.getServletPath();
		if (StringUtils.lowerCase(ua).indexOf("micromessenger") > 0) {// 是微信浏览器 判断openid 有进关联处理，没有走隐式处理 其它浏览器则进tologin
			String openId = CookieUtil.getValue(request, "publicOpenid");
			log.info("微信浏览器----开始openid={}",openId);
			if (StringUtils.isEmpty(openId)) { //没有，走隐式授权
				String url = "https://check.wanguowang.com/wap/wechat/wxValidate/getWxJsApiCode?goUrl="  + URLEncoder.encode(contextPath+requestMapping+"?forward=", "UTF-8") + goUrl;
				if (!StringUtils.equals(requestType, "XMLHttpRequest")) {
					response.sendRedirect(contextPath + url);
				}
				return false;
			}
		} 
		return true;
	}
}
